Add parallel copy method to FileHandler#69

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copilot/add-parallel-copy-method

Commits on Feb 5, 2026

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Copilot
committed
Add parallel copy method to FileHandler with comprehensive tests

Copilot
and
DavidHuber-NOAA
committed
Address code review feedback: remove unused loop variable and move import

Copilot
and
DavidHuber-NOAA
committed